One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,7,9)(3,10,5,8)(4,6,13,16)(11,15,14,12)(19,25)(23,30)(26,28)(31,32)(33,34,38,40)(35,39,41,36)(37,42,46,47)(43,45,48,44)(1,3,7,5)(2,8,9,10)(4,11,13,14)(6,12,16,15)(17,18)(19,23)(20,27)(21,22)(24,29)(25,30)(26,32)(28,31)(33,35,38,41)(34,39,40,36)(37,43,46,48)(42,45,47,44)(2,9)(6,16)(8,10)(12,15)(18,22)(23,30)(24,27)(31,32)(34,40)(35,41)(42,47)(43,48) involution — undirected(1,4)(2,6)(3,11)(5,14)(7,13)(8,12)(9,16)(10,15)(17,19)(18,23)(20,28)(21,25)(22,30)(24,32)(26,29)(27,31)(33,36,38,39)(34,41,40,35)(37,45,46,44)(42,43,47,48)(1,5,7,3)(2,8,9,10)(4,11,13,14)(6,15,16,12)(17,20)(18,24)(19,26)(21,29)(22,27)(23,31)(25,28)(30,32)(33,37)(34,42)(35,43)(36,44)(38,46)(39,45)(40,47)(41,48)(1,6)(2,4)(3,12)(5,15)(7,16)(8,11)(9,13)(10,14)(17,18)(19,23)(20,24)(21,22)(25,30)(26,31)(27,29)(28,32)(33,34)(35,39)(36,41)(37,42)(38,40)(43,45)(44,48)(46,47) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.